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第四冊4-2橢圓的伸縮
Author:
chenzenyi
GeoGebra
New Resources
圓周公式的應用
第八周作业
祖冲之的期望：内棋与外棋
探究三角形的全等條件
三位數除以一位數（二）
Discover Resources
Congruent Triangles
抛物线
Properties of a Square
比較角的大小 一
平面向量基本定理
Discover Topics
Indefinite Integral
Exponential Functions
Equations
Linear Equations
Standard Deviation